util.stanza: Allow U+7F
Allowed by XML despite arguably being a control character.
Drops the part of the range meant to rule out octets invalid in UTF-8
(\247 starts a 4-byte sequence), since UTF-8 correctness is validated by
util.encodings.utf8.valid().
module:set_global();
local tostring = tostring;
local filters = require "util.filters";
local function log_send(t, session)
if t and t ~= "" and t ~= " " then
session.log("debug", "SEND: %s", tostring(t));
end
return t;
end
local function log_recv(t, session)
if t and t ~= "" and t ~= " " then
session.log("debug", "RECV: %s", tostring(t));
end
return t;
end
local function init_raw_logging(session)
filters.add_filter(session, "stanzas/in", log_recv, -10000);
filters.add_filter(session, "stanzas/out", log_send, 10000);
end
filters.add_filter_hook(init_raw_logging);
function module.unload()
filters.remove_filter_hook(init_raw_logging);
end